136745959690441 has 2 divisors, whose sum is σ = 136745959690442. Its totient is φ = 136745959690440.

The previous prime is 136745959690399. The next prime is 136745959690567. The reversal of 136745959690441 is 144096959547631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129776866561225 + 6969093129216 = 11391965^2 + 2639904^2 .

It is a cyclic number.

It is not a de Polignac number, because 136745959690441 - 2¹³ = 136745959682249 is a prime.

It is not a weakly prime, because it can be changed into another prime (136745959691441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68372979845220 + 68372979845221.

It is an arithmetic number, because the mean of its divisors is an integer number (68372979845221).

Almost surely, 2^{136745959690441} is an apocalyptic number.

It is an amenable number.

136745959690441 is a deficient number, since it is larger than the sum of its proper divisors (1).

136745959690441 is an equidigital number, since it uses as much as digits as its factorization.

136745959690441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 881798400, while the sum is 73.

The spelling of 136745959690441 in words is "one hundred thirty-six trillion, seven hundred forty-five billion, nine hundred fifty-nine million, six hundred ninety thousand, four hundred forty-one".